| 7967914 |
Method and apparatus for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer medium |
Daniel G. Giddings, Richard W. Wellens, Larry Wydra |
2011-06-28 |
| 7272870 |
Secondary introduction of fluid into vacuum system |
Paul M. Pierce, Jeffrey R. Oberlin |
2007-09-25 |
| 6735812 |
Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning medium |
Jeffrey D. Fystrom, Larry Wydra |
2004-05-18 |
| 5452997 |
Rotary device with thermally compensated seal |
Edward W. Hekman |
1995-09-26 |
| 5181843 |
Internally constrained vane compressor |
Edward W. Hekman |
1993-01-26 |
| 5169298 |
Constrained vane compressor with oil skive |
Edward W. Hekman |
1992-12-08 |
| 4860419 |
Split bearing assemblies, method for making |
— |
1989-08-29 |
| 4768694 |
Connecting rod fracture machine |
Alroy G. Fabris, Mohamed A. Fetouh, Charles E. Frost, Antoni J. Malarz, Gerald C. Rieck |
1988-09-06 |
